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Test suite for SAIL and Repository API
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 * Licensed to Aduna under one or more contributor license agreements.  
 * See the NOTICE.txt file distributed with this work for additional 
 * information regarding copyright ownership. 
 *
 * Aduna licenses this file to you under the terms of the Aduna BSD 
 * License (the "License"); you may not use this file except in compliance 
 * with the License. See the LICENSE.txt file distributed with this work 
 * for the full License.
 *
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 
 * implied. See the License for the specific language governing permissions
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package org.openrdf.repository;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import org.openrdf.model.Literal;
import org.openrdf.model.IRI;
import org.openrdf.model.ValueFactory;
import org.openrdf.model.vocabulary.RDF;
import org.openrdf.query.QueryLanguage;
import org.openrdf.query.TupleQuery;
import org.openrdf.query.TupleQueryResult;

public abstract class SparqlSetBindingTest {

	public String queryBinding = "PREFIX foaf: \n" + "SELECT ?name ?mbox\n"
			+ " WHERE { ?x foaf:name  ?name ;\n" + "            foaf:mbox  ?mbox .\n" + " } ";

	public String queryBindingSubselect = "PREFIX foaf: \n"
			+ "SELECT ?name ?mbox\n" + " WHERE { ?x foaf:name  ?name ;\n" + "            foaf:mbox  ?mbox .\n"
			+ "        { SELECT ?x WHERE { ?x a foaf:Person } } } ";

	private Repository repository;

	private RepositoryConnection conn;

	private ValueFactory vf;

	private Literal ringo;

	private IRI ringoRes;

	@Test
	public void testBinding()
		throws Exception
	{
		TupleQuery query = conn.prepareTupleQuery(QueryLanguage.SPARQL, queryBinding);
		query.setBinding("name", ringo);
		TupleQueryResult result = query.evaluate();
		assertEquals(ringo, result.next().getValue("name"));
		assertFalse(result.hasNext());
		result.close();
	}

	@Test
	public void testBindingSubselect()
		throws Exception
	{
		TupleQuery query = conn.prepareTupleQuery(QueryLanguage.SPARQL, queryBindingSubselect);
		query.setBinding("x", ringoRes);
		TupleQueryResult result = query.evaluate();
		assertEquals(ringo, result.next().getValue("name"));
		assertFalse(result.hasNext());
		result.close();
	}

	@Before
	public void setUp()
		throws Exception
	{
		repository = createRepository();
		vf = repository.getValueFactory();
		ringo = vf.createLiteral("Ringo Starr");
		ringoRes = vf.createIRI("http://example.org/ns#", "ringo");

		createUser("john", "John Lennon", "[email protected]");
		createUser("paul", "Paul McCartney", "[email protected]");
		createUser("ringo", "Ringo Starr", "[email protected]");
		conn = repository.getConnection();
	}

	protected Repository createRepository()
		throws Exception
	{
		Repository repository = newRepository();
		repository.initialize();
		RepositoryConnection con = repository.getConnection();
		try {
			con.clear();
			con.clearNamespaces();
		}
		finally {
			con.close();
		}
		return repository;
	}

	protected abstract Repository newRepository()
		throws Exception;

	@After
	public void tearDown()
		throws Exception
	{
		conn.close();
		conn = null;

		repository.shutDown();
		repository = null;
	}

	private void createUser(String id, String name, String email)
		throws RepositoryException
	{
		RepositoryConnection conn = repository.getConnection();
		IRI subj = vf.createIRI("http://example.org/ns#", id);
		IRI foafName = vf.createIRI("http://xmlns.com/foaf/0.1/", "name");
		IRI foafMbox = vf.createIRI("http://xmlns.com/foaf/0.1/", "mbox");

		conn.add(subj, RDF.TYPE, vf.createIRI("http://xmlns.com/foaf/0.1/", "Person"));
		conn.add(subj, foafName, vf.createLiteral(name));
		conn.add(subj, foafMbox, vf.createIRI("mailto:", email));
		conn.close();
	}
}